# Chat Mailer vs Delta Chat

The clearest difference is price: Delta Chat at Free against Chat Mailer's $3.99. Delta Chat also leads on review sentiment (63% vs 20%) and update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Delta Chat is free to download; Chat Mailer costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chat Mailer ships an update every 3 months, Delta Chat every 3 weeks. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Chat Mailer | Delta Chat |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[4.5 (127 ratings)](https://appshunter.io/ios/app/delta-chat/id1459523234/reviews)** |
| Number of ratings | — | **127** |
| Positive reviews | 20.0% of reviews | **63.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 9 MB | 61 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TechKnowledge](https://appshunter.io/developer/304524337) | [merlinux](https://appshunter.io/developer/1459523233) |

## What reviewers say

### Chat Mailer

[App page](https://appshunter.io/ios/app/chat-mailer/id521368840)

Organize your IMAP emails into a chat-like view, making it easier to follow conversations. Supports a variety of popular email providers and automatically configures server settings.

**Highlights:** Chat view for IMAP emails, Read past emails, Supports custom folders, Automatic server settings detection, Multiple email provider support

**Features:** Vision Pro support

**In-app purchases:** none


### Delta Chat

[App page](https://appshunter.io/ios/app/delta-chat/id1459523234)

This decentralized messenger offers private, secure, and reliable instant messaging. It allows for easy setup on multiple devices and supports multiple chat profiles without requiring a phone number. Enjoy end-to-end encryption and the flexibility to run it with your own email or server.

**Highlights:** Decentralized instant messaging, Private onboarding without phone number, End-to-end encryption, Multiple chat profiles, Works on multiple devices, Self-hosted option

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chat Mailer free?

Chat Mailer costs $3.99, with no in-app purchases.

### Is Delta Chat free?

Delta Chat is free to download, with no in-app purchases.

### Do Chat Mailer or Delta Chat have ads?

Neither Chat Mailer nor Delta Chat shows ads.

### Which is updated more often, Chat Mailer or Delta Chat?

Chat Mailer ships an update every 3 months, and Delta Chat every 3 weeks. Most recently, Chat Mailer was updated on October 14, 2026 and Delta Chat on October 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*